Home / 31,406.26-47,116.32-17,386.74

Finding the Fourth Proportional to 31,406.26, 47,116.32 and 17,386.74

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Solution

The fourth proportional to 31,406.26, 47,116.32 and 17,386.74 is: 26,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406.26 : 47,116.32 = 17,386.74 : x
  2. Step 2: Convert to fraction form
    31,406.26/47,116.32 = 17,386.74/x
  3. Step 3: Cross multiply
    31,406.26x = 47,116.32 × 17,386.74
  4. Step 4: Simplify right side
    31,406.26x = 819,199,205.60
  5. Step 5: Solve for x
    x = 819,199,205.60/31,406.26
  6. Step 6: Final answer
    x = 26,083.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.